Image Hidden Data Scan
Scan a photo byte by byte and field by field: whole metadata segments, comments, IPTC/XMP blocks, appended payloads and every EXIF tag.
Tool preview
How to use it
- 01
Drop a photo.
- 02
Read the structural findings and the category counts.
- 03
Expand the table for exact fields.
Limitations
- ! It reports metadata and file structure, not steganography hidden inside the pixels.
- ! Fields hidden in proprietary vendor blocks may not be enumerated.
- ! Only JPEG and PNG can be walked byte by byte; other formats get the EXIF view only.
FAQ
What is "data after the image end"?
Bytes appended after the JPEG end marker or the PNG IEND chunk. Viewers ignore them, but they travel with the file and can carry a hidden payload.
Is any of this visible in a normal photo viewer?
No, viewers show pixels only; the metadata travels silently with the file.
How do I clean it?
Use the EXIF remover, which deletes the metadata segments.
Files never leave your device
Processing happens in your browser using the File API, WebAssembly and Web Workers. There is no upload endpoint.
Technical details
- Processing
- Client-side
- Implementation
- JPEG/PNG segment walk + EXIF
- Category
- Image metadata
- Network requests
- None while processing
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